Whether you are servicing a rooftop unit or a split system

the 624692 transducer ensures the EXV modulates correctly

this part is specifically calibrated for ClimateMaster MPC logic

It typically carries a higher rating for purely resistive heating loads

Siemens Building Technology 257-02031 Control Valve Assembly 321894-709 Whether you are servicing aFor veteran mechanical contractors managing commercial hydronic systems, the Siemens 257 02031 provides a reliable, field proven solution for precise fluid regulation. As a core component of the Powermite 599 MT Series, this 2 way normally open pneumatic control valve is engineered for terminal units, hydronic heating coils, and chilled water applications. The assembly integrates a high performance 1 2" brass globe valve with a 2 inch pneumatic